"With a diameter of 2.86 meters, family cars can easily pass by. This is the first time we have produced and processed such a' super-large-diameter' slide valve". On November 22, Ma Xiaocheng, the production and operation center of PetroChina Bohai Equipment Petrochemical Equipment Company, said that the world's largest diameter double-acting slide valve processed and produced by the company has entered the flange plane processing process.

In the future, we will further strengthen cooperation with Beishi Company, continuously improve shale gas mining efficiency, reduce mining costs, realize green and low-carbon transformation and development, and make positive contributions to promoting the construction of shale gas production capacity of 5 billion cubic meters in Zhejiang Oilfield.

General manager of China Offshore Oil Exploration Department, said that the success of the first offshore shale oil is a major breakthrough in offshore oil and gas exploration, which has realized the independent exploration and development of China's offshore shale oil and gas resources with our own equipment and technology, and opened the prelude to unconventional offshore oil and gas exploration and development, with huge resource potential, which has consolidated the resource base for firmly holding the energy rice bowl in our own hands.

On-site technical guidance exchanges with each other. Our sales and technical personnel communicated well with front-line engineers and technical experts on the job site, and solved technical problems such as material selection, sealing structure optimization, and accident handling in complex environments. And carried out many technical exchanges and friendly cooperation.

The reliability requirements for oil logging instruments are getting higher and higher; It has become the direction of domestic enterprises to build their own brands through high-tech content and high reliability, and continuous innovation has become the source of enterprise vitality.

Wire operation is the operation of operating downhole tools by means of wire and cable wound on the winch and mechanical lifting and lowering.